Measuring (PDF file, 7.31 MB) - Oklahoma Department of Career ...

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Structural Engineering 8. Work with a partner, and with your instructor’s permission, measure three or more things around your school. Measure as accurately as your ruler, yardstick, or tape measure allows. On the lines below, list the item you are measuring and its dimensions. With your instructor’s permission, you may measure items at home. ____________________________________________________ ____________________________________________________ ____________________________________________________ ____________________________________________________ ____________________________________________________ ____________________________________________________ ____________________________________________________ ____________________________________________________ ____________________________________________________ ____________________________________________________ WEB ACTIVITY Practice your measuring skills at: www.rsinnovative.com/rulergame www.funbrain.com/measure How did your skills measure up? ___________________ ____________________________________________ ____________________________________________ ____________________________________________ ____________________________________________ ____________________________________________ ____________________________________________ ____________________________________________ Structural Engineering CIMC — Copyright © 2010 8
What You Will Do: Activity 3 Metric Prefixes In this activity, you will learn about the metric system and metric prefixes. What You Will Need: • internet access or other source of metric prefi xes • paper and pencil or pen What to Do: Look at the ruler above. We all know what the inch marks mean, but what about the measurements on the bottom? You probably know that cm (centimeter) and mm (millimeter) are metric measurements. The metric system started in France late in the 18th century. It is a decimal system. It was started to replace, with standard units of measure, the many different measuring units being used. The standard unit for measuring length is the meter. Its actual defi nition has changed over the years to make it more precise because our ability to measure has become more and more accurate. The key thing is that when we say a meter we all mean the same thing. Since the 1960s the International System of Units (Système International d’Unités in French, or SI) has been the internationally recognized standard metric system. Metric units are widely used around the world. According to the CIA’s World Factbook, only three countries—Burma, Liberia, and the US—have not adopted the SI, or metric system as their official system of weights and measures. The US is the only industrialized nation that does not mainly use the metric system in its commercial and standards activities. It is slowly becoming more accepted in science, medicine, government, and many sectors of industry. Structural Engineering Structural Engineering CIMC — Copyright © 2010 9
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Measuring (PDF file, 7.31 MB) - Oklahoma Department of Career ...

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